On 2014-07-10 08:46:55 +0530, Amit Kapila wrote: > As per my understanding of the general theory around barriers, > read and write are defined to avoid reordering due to compiler and > full memory barriers are defined to avoid reordering due to > processors.
No, that's not the case. There's several processors where write/read barriers are an actual thing on the hardware level. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers